1591390041472 has 128 divisors (see below), whose sum is σ = 3954150017280. Its totient is φ = 619785369600.

The previous prime is 1591390041469. The next prime is 1591390041497. The reversal of 1591390041472 is 2741400931951.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26985843 + ... + 27044749.

It is an arithmetic number, because the mean of its divisors is an integer number (30891797010).

Almost surely, 2^{1591390041472} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1591390041472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1977075008640).

1591390041472 is an abundant number, since it is smaller than the sum of its proper divisors (2362759975808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1591390041472 is a wasteful number, since it uses less digits than its factorization.

1591390041472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61680 (or 61668 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 1591390041472 in words is "one trillion, five hundred ninety-one billion, three hundred ninety million, forty-one thousand, four hundred seventy-two".